US PATENT SUBCLASS 251 / 334
.~.~ Elastic deformation

Current as of: June, 1999
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251 /   HD   VALVES AND VALVE ACTUATION

318  DF  RECIPROCATING VALVE {7}
333  DF  .~ Particular head and seat cooperation {1}
334.~.~ Elastic deformation

DEFINITION

Classification: 251/334

(under subclass 333) Devices in which one of the valve elements is metallic and is deformed against its cooperating element within its elastic limit to provide a seal.